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Potash.
*Cab.38.25.4
United States. Department of Agriculture. Office of the Secretary.
Potash from kelp: By Frank K. Cameron.
= Washington. 1915. Text, 122 pp. Plates. Map. Plan. 23% cm., in 8s. Atlas, (54) maps. 72cm. [United States. Depart- ment of Agriculture. Office of the Secretary. Report no. too.] Contents. — Text. Pacific kelp beds as a source of potassium salts. By Frank K. Cameron, — The kelp beds from Lower California to Puget Sound. By W. C. Crandall. — The kelp beds of Puget Sound. By George B. Rigg. — The kelp beds of southeast Alaska. By T. C. Frye. — The kelp beds of western Alaska. By George B. Rigg. Atlas. Kelp groves of the Pacific Coast and islands of the United States and Lower California.
 
Thts card was printed at the Boston Public Library, August 5, 1915. K5786 — Double main card. — United States. Department of Agriculture. Office of the Secretary. (iI) — Cameron, Frank Kenneth. 1869-. (M2) — T.r. (1) — Kelp. (1) — Potash. (1) — Pacific Coast. Botany. (1)